package com.itheima.test02;

public class Demo {
    public void sing(){
        show();
        rap();
    }

    private void show(){
        rap();
        System.out.println("haha");
    }

    public static void dance(){
        rap();
        System.out.println("跳 一下");
    }


    private static void rap(){
        System.out.println("即兴来一段");

    }
}

